In 1981, the cable television network MTV was launched, originally devoted to music videos, especially popular rock music. The term "video jockey", or VJ, was used to describe the fresh-faced youth who introduced the music videos. In 1982, the demise of disco in the mainstream by the summer of 1982 forced many nightclubs to either close or change entertainment styles, such as by providing MTV-style video dancing or live bands. Released in 1982, the song "Planet Rock" by DJ Afrika Bambaataa was the first hip-hop song to feature synthesizers. The song melded electro hip-hop beats influenced by Yellow Magic Orchestra with the melody from Kraftwerk's "Trans-Europe Express." In 1982, the Compact Disc reached the public market in Asia, and early the following year in other markets. This event is...